#VU102923 NULL pointer dereference in Linux kernel - CVE-2024-46896

Vulnerability identifier: #VU102923

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46896

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the amdgpu_job_set_resources() and amdgpu_job_free_resources() functions in drivers/gpu/drm/amd/amdgpu/amdgpu_job.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/65501a4fd84ecdc0af863dbb37759242aab9f2dd
https://git.kernel.org/stable/c/67291d601f2b032062b1b2f60ffef1b63e10094c
https://git.kernel.org/stable/c/a93b1020eb9386d7da11608477121b10079c076a
https://git.kernel.org/stable/c/da6b2c626ae73c303378ce9eaf6e3eaf16c9925a

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.